00335pam a2200145a 44500008004100000020000900041041001200050082000900062100001800071245003800089250000600127260003900133300000800172650000900180230515b2004    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aN.D.  aStallings / W  aCryptography And Network Secutity  a0  aNULLbPrentice Hall of Indiac2004  a681  aNULL